(2) avoiding a series of complications that may be brought about by prosthesis, such as infection, rupture, displacement and contracture of the envelope; (3) good texture and easy to shape, good sense of sagging, as well as correction of subclavian depression and deformity of the anterior axillary wall; (4) tolerating not only postoperative radiation therapy but also extensive excision due to recurrence; (5) good blood flow of autologous tissue can promote poor trauma and ulceration. (4) not only can tolerate postoperative radiation therapy, but also can be used in patients who have received radiation therapy and underwent extensive resection due to recurrence; (5) autologous tissue with good blood flow can promote the healing of bad wounds and ulcers. Its tissue source is wide, and the abdomen, buttocks, back and femur are all good donor areas. The transplantation can be classified as tipped graft and free graft